Born in Rikuzentakata, Iwate Prefecture, he enrolled in Hosei University but withdrew when he successfully auditioned for a part in Kamen Rider. He made his debut as Hiroshi Tsukuba in Skyrider.
Hiroaki appeared in a lot of jidaigeki television dramas. He appeared the NHK jidaigeki On'yado Kawasemi in 1980–81, and in a new series Shin On'yado Kawasemi in 1997. He appeared in Hissatsu series Hissatsu Shigotonin V as the florist-turned-blacksmith named Masa, and as a repeating character in Series and popularity.
